220101120021999 has 8 divisors (see below), whose sum is σ = 296493604978480. Its totient is φ = 145221357540096.

The previous prime is 220101120021983. The next prime is 220101120022037. The reversal of 220101120021999 is 999120021101022.

It is a happy number.

220101120021999 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220101120021999 - 2⁴ = 220101120021983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101120021929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378180618304 + ... + 378180618885.

It is an arithmetic number, because the mean of its divisors is an integer number (37061700622310).

Almost surely, 2^{220101120021999} is an apocalyptic number.

220101120021999 is a deficient number, since it is larger than the sum of its proper divisors (76392484956481).

220101120021999 is an equidigital number, since it uses as much as digits as its factorization.

220101120021999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756361237289.

The product of its (nonzero) digits is 11664, while the sum is 39.

The spelling of 220101120021999 in words is "two hundred twenty trillion, one hundred one billion, one hundred twenty million, twenty-one thousand, nine hundred ninety-nine".